21334002121410 has 128 divisors (see below), whose sum is σ = 57375942451200. Its totient is φ = 5031220158720.

The previous prime is 21334002121409. The next prime is 21334002121429. The reversal of 21334002121410 is 1412120043312.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71144571 + ... + 71443809.

It is an arithmetic number, because the mean of its divisors is an integer number (448249550400).

Almost surely, 2^{21334002121410} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21334002121410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28687971225600).

21334002121410 is an abundant number, since it is smaller than the sum of its proper divisors (36041940329790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21334002121410 is a wasteful number, since it uses less digits than its factorization.

21334002121410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305136.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21334002121410 its reverse (1412120043312), we get a palindrome (22746122164722).

It can be divided in two parts, 21334002 and 121410, that added together give a palindrome (21455412).

The spelling of 21334002121410 in words is "twenty-one trillion, three hundred thirty-four billion, two million, one hundred twenty-one thousand, four hundred ten".